html,
body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: #6825c1;

   /* IOS禁止微信调整字体大小 */
   -webkit-text-size-adjust: 100% !important;
   text-size-adjust: 100% !important;
   -moz-text-size-adjust: 100% !important;
}